Taylor and Xia spectra of \(p\)-hyponormal \(n\)-tuples

DOI10.1007/BF01232739zbMath0962.47008OpenAlexW2329897844MaRDI QIDQ1572853

Bhaggy Duggal

Publication date: 18 June 2001

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/bf01232739

zbMATH Keywords

\(p\)-hyponormal operators\(n\)-tupleBerberian extension theoremPutnam area inequalityTaylor spectraXia spectra

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Subnormal operators, hyponormal operators, etc. (47B20)

Related Items (1)

\(p\)-hyponormal operators satisfy Bishop's condition \({\beta}\)

Cites Work

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• Spectral theory of hyponormal operators
• On the semi-hyponormal n-tuple of operators
• Lectures on hyponormal operators
• Comparison of norms \(|||f(A)-f(B)|||\) and \(|||f(|A-B|)|||\)
• On spectra of \(p\)-hyponormal operators
• A joint spectrum for several commuting operators
• Quasi-similar \(p\)-hyponormal operators
• On the joint spectra of doubly commuting n-tuples of semi-normal operators
• On the representation of the joint spectrum for a commutingn-tuple of non-normal operators
• A Putnam area inequality for the spectrum of n-tuples of p-hyponormal operators
• On the spectrum of n-tuples of p-hyponormal operators
• Putnam’s inequality for p-hyponormal n-tuples
• Relations between the Taylor spectrum and the Xia spectrum
• Approximate Proper Vectors

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